Beginner — under 30 min
Description
MIA's Description
This lock is keyed differently and comes in retail carded packaging. It is best used for marine and offshore security, as well as for trailers, trucks, and moving trucks. The product is backed by a Limited Lifetime Warranty.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Master Lock |
| Part Number | M014 605DATHC |
Videos
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[1356] A Master Lock I Should FEAR?!? Model 377 Trailer Lock
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About Master Lock Universal Trailer Coupler Lock
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[1490] When Quantity Adds Quality: Curt Trailer Lock
Video 18 - Newbie vs. Master Lock 389DAT Trailer Coupler Lock - No tension lever needed :)
etrailer | The Low-Down on the Master Lock Universal Trailer Coupler Lock
Harbor Freight Universal Trailer Lock
Top 5 (actually tested) Coupler Locks
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[410] Master Lock 605DAT Trailer Coupler Lock Picked and Bypassed
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return Policy